Toasting Toast
Jasmine has a toaster with two slots that toasts one side of each piece of bread at a time, and it takes one minute to do so.
If she wants to make 3 pieces of toast, what is the least amount of time she needs to toast them on both sides?
If she wants to make 3 pieces of toast, what is the least amount of time she needs to toast them on both sides?
Hint:
3 minutes. She puts two pieces in the toaster, toasting one side of each. Then she flips one of them, takes one out, and puts the completely untoasted piece into the toaster. Finally, she takes out the toasted piece and puts the two half-toasted pieces of bread into the toaster for a minute and she's done. Did you answer this riddle correctly?
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How Many Batteries?
You have a flashlight that takes 2 working batteries. You have 8 batteries but only 4 of them work.
What is the fewest number of pairs you need to test to guarantee you can get the flashlight on?
What is the fewest number of pairs you need to test to guarantee you can get the flashlight on?
Hint:
7. If you break the batteries into 3 groups: Two groups of 3 and one group of 2. By doing this you guarantee that one of the groups has 2 working batteries. Both of the groups of 3 have 3 possible combinations of 2 batteries and the group of 2 only has 1 combination. So, 3 + 3 + 1 = 7 tries at most to find two working batteries. Did you answer this riddle correctly?
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A Nose That Grows
Every time a man lies his nose grows to 150 percent of its size. Every time he tells the truth it shrinks to 50 percent of its size.
What will happen if he alternates between lies and the truth
What will happen if he alternates between lies and the truth
Hint:
For every pair of a truth and a lie his nose will shrink to 75 percent of its previous size prior to this truth and lie. So the correct answer is 0. As the number of times he tells a lie and the truth ((3/4)n) approaches infinity the length of his nose approaches 0. Did you answer this riddle correctly?
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Skipping The Pop Quiz
A teacher decides to give a pop quiz one day but all of her students refuse to take the quiz thinking that the teacher will call off the quiz. She can give only one of these students a detention for skipping the quiz. All of the students know each other's names and if a student knows he/she is getting a detention they take the quiz.
How can she threaten her students with the single detention so they all take the quiz?
How can she threaten her students with the single detention so they all take the quiz?
Hint:
She tells them that she will give the student who skips the quiz whose name comes first alphabetically a detention. This student won't skip because they know they are getting a detention if they do. The next person alphabetically will then know that they will get a detention so they won't skip either, and so on. Did you answer this riddle correctly?
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Hal And Al
A surgeon named Hal and a bus driver named Al are both in love with the same woman named Paige. Al needs to go for a long trip of 10 days. Before he left he gave Paige 10 apples. Why?
Hint:
Who Are The Killers?
A very famous chemist was found murdered in his kitchen today. The police have narrowed it down to six suspects. They know it was a two man job. Their names: Felice, Maxwell, Archibald, Nicolas, Jordan, and Xavier.
A note was also found with the body: '26-3-58/28-27-57-16'.
Who are the killers?
A note was also found with the body: '26-3-58/28-27-57-16'.
Who are the killers?
Hint: The numbers have scientific meaning.
Felice and Nicholas are the murderers. The numbers correspond to atomic numbers on the periodic table of elements: 'Fe-Li-Ce/Ni-Co-La-S'. Did you answer this riddle correctly?
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I Always Tell The Truth Riddle
I am the only thing that always tells the truth. I show off everything that I see. I come in all shapes and sizes. So tell me what I must be!
Hint:
The 3 Sons Riddle
Bill's parents have three sons. The first is named Tom, the second is named Dick. What is the third son named?
Hint:
Which To Light?
In a room you have a candle, an oil lamp, and wood in a fireplace, but you only have one match. What do you light first?
Hint:
The Torment Of Man Riddle
A cloud was my mother, the wind is my father, my son is the cool stream, and my daughter is the fruit of the land. A rainbow is my bed, the earth my final resting place, and I'm the torment of man. What am I?
Hint:
Three Rooms Riddle
A murderer is condemned to death. He has to choose between three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven't eaten in 3 years.
Hint:
Chicken Origin Riddle
Hint:
High In The Sky Riddle
I was high in the sky but also firmly on the earth
I brought cooperation for many but confusion for all
I was unmissable by the crowd yet overlooked by the One
I was the world's first true skyscraper and also its last
I am in the Bible - what am I?
I brought cooperation for many but confusion for all
I was unmissable by the crowd yet overlooked by the One
I was the world's first true skyscraper and also its last
I am in the Bible - what am I?
Hint:
Head In The Clouds Riddle
Head in the clouds but my feet on the earth
Glowing with fire, people kept a wide berth
Place full of stones, a bush and a rock
(Somewhere to hide, away from the shock)
I must not be touched and of heaven am token
I thundered loud when the tablets were broken
I am in the Bible - what am I?
Glowing with fire, people kept a wide berth
Place full of stones, a bush and a rock
(Somewhere to hide, away from the shock)
I must not be touched and of heaven am token
I thundered loud when the tablets were broken
I am in the Bible - what am I?
Hint:
A Goat, A Wolf, And A Head Of Cabbage
A man has a goat, a wolf, and a head of cabbage. He comes to a river that has no bridge, but a small boat to cross the river. The boat can hold only one of the three things he has. If he takes over the wolf first, the goat will eat the cabbage. If he take over the cabbage first, the wolf will eat the goat.
How does he solve the problem?
How does he solve the problem?
Hint:
First, he takes over the goat. Then, he takes over the cabbage, but takes the goat back. Then, he takes over the wolf. Finally, he takes over the goat again. Did you answer this riddle correctly?
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